package com.itheima.service;

import java.text.ParseException;
import java.util.Date;
import java.util.List;
import java.util.Map;

public interface ReportService {
    Map getBusinessReportData(String dateStr) throws ParseException;


    List getMonthlyMemberCount(Date beginDate, Date endDate);

    Map queryCurrentYearMemberCount();
}
